Fully chromatic CHROMA-NOTES 13-note desk bells in Boomwhacker colors. Manufactured to the highest standards, the top quality construction and accurate intonation make these bells the best value available. The CHROMA-NOTES colors make it more fun to learn and play along with Boomwhackers music tubes and Boomwhacker educational materials. Each metal bell is marked with the proper note and number to help children learn the musical scale. Desk bells are struck on the top, making them ideal for young children, special needs communities or anyone with limited mobility. Set contains the 13 notes in a chromatic scale C-c.